本文講述了java實現幀動畫的實例代碼。分享給大家供大家參考，具體如下：
1、效果圖
2、幀動畫的簡要代碼
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private imageview bganimview; private animationdrawable manimationdrawable; //初始化 manimationdrawable = new animationdrawable(); bganimview = new imageview(mcontext); bganimview.setbackgrounddrawable(getanimationdrawable(manimationdrawable)); params = new framelayout.layoutparams(viewgroup.layoutparams.wrap_content, viewgroup.layoutparams.wrap_content); params.topmargin = util.div(176 + 58); params.gravity = gravity.center_horizontal; addview(bganimview, params); private animationdrawable getanimationdrawable(animationdrawable manimationdrawable) { int duration = 50; manimationdrawable.addframe(mcontext.getresources().getdrawable(r.drawable.loading1), duration); manimationdrawable.addframe(mcontext.getresources().getdrawable(r.drawable.loading2), duration); manimationdrawable.addframe(mcontext.getresources().getdrawable(r.drawable.loading3), duration); manimationdrawable.setoneshot(false); return manimationdrawable; } //動畫開始 public void animloadingstart() { this.setvisibility(view.visible); if (manimationdrawable != null) { manimationdrawable.start(); } } //動畫結束 public void animloadingend() { if (manimationdrawable != null) { manimationdrawable.stop(); } |
3、擴展：
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//x軸平移 public void animy(int y, int nexty, int duration) { linearinterpolator ll = new linearinterpolator(); //勻速 objectanimator animator = objectanimator.offloat(yourview, "translationy", 0, 300);//300若為負值，就是向上平移 animator.setduration(duration); animator.setinterpolator(ll); animator.start(); } //y軸平移 public void animx(int x, int nextx, int duration) { linearinterpolator ll = new linearinterpolator(); objectanimator animator = objectanimator.offloat(yourview, "translationx", x, nextx); animator.setduration(duration); animator.setinterpolator(ll); animator.start(); } //縱向壓縮0.5倍 linearinterpolator ll = new linearinterpolator();//勻速 scaleanimation scaleanimation = new scaleanimation(1, 1, 1, 0.5f);//默認從（0,0） scaleanimation.setduration(500); scaleanimation.setinterpolator(ll); scaleanimation.setfillafter(true); chartview.startanimation(scaleanimation); //橫向壓縮0.5倍 linearinterpolator ll = new linearinterpolator(); scaleanimation scaleanimation = new scaleanimation(1, 0.5f, 1, 1);//默認從（0,0） scaleanimation.setduration(500); scaleanimation.setinterpolator(ll); scaleanimation.setfillafter(true); chartview.startanimation(scaleanimation); |
以上就是這篇文章的全部內容了，希望本文的內容對大家的學習或者工作具有一定的參考學習價值，如果有疑問大家可以留言交流，謝謝大家對服務器之家的支持。
原文鏈接：https://blog.csdn.net/meetings/article/details/78785424
